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<html lang="en"><head><META http-equiv="Content-Type" content="text/html; charset=UTF-8"><link href="../images/docs-stylesheet.css" rel="stylesheet" type="text/css"><title>Apache Tomcat 8 Architecture (8.5.53) - Startup</title><meta name="author" content="Yoav Shapira"></head><body><div id="wrapper"><header><div id="header"><div><div><div class="logo noPrint"><a href="https://tomcat.apache.org/"><img alt="Tomcat Home" src="../images/tomcat.png"></a></div><div style="height: 1px;"></div><div class="asfLogo noPrint"><a href="https://www.apache.org/" target="_blank"><img src="../images/asf-logo.svg" alt="The Apache Software Foundation" style="width: 266px; height: 83px;"></a></div><h1>Apache Tomcat 8 Architecture</h1><div class="versionInfo">
          Version 8.5.53,
          <time datetime="2020-03-11">Mar 11 2020</time></div><div style="height: 1px;"></div><div style="clear: left;"></div></div></div></div></header><div id="middle"><div><div id="mainLeft" class="noprint"><div><nav><div><h2>Links</h2><ul><li><a href="../index.html">Docs Home</a></li><li><a href="index.html">Architecture Home</a></li><li><a href="https://wiki.apache.org/tomcat/FAQ">FAQ</a></li><li><a href="#comments_section">User Comments</a></li></ul></div><div><h2>Contents</h2><ul><li><a href="index.html">Contents</a></li><li><a href="overview.html">Overview</a></li><li><a href="startup.html">Server Startup</a></li><li><a href="requestProcess.html">Request Process</a></li></ul></div></nav></div></div><div id="mainRight"><div id="content"><h2>Startup</h2><h3 id="Server_Startup">Server Startup</h3><div class="text">

<p>
This page describes how the Tomcat server starts up.  There are several
different ways to start tomcat, including:
</p>
<ul>
  <li>From the command line.</li>
  <li>From a Java program as an embedded server.</li>
  <li>Automatically as a Windows service.</li>
</ul>

<div class="subsection"><h4 id="description">description</h4><div class="text">
<p>
A text description of the startup procedure is available
<a href="startup/serverStartup.txt">here.</a>
</p>
</div></div>

<div class="subsection"><h4 id="diagram">diagram</h4><div class="text">
<p>
A UML sequence diagram of the startup procedure is available
<a href="startup/serverStartup.pdf">here.</a>
</p>
</div></div>

<div class="subsection"><h4 id="comments">comments</h4><div class="text">
<p>
The startup process can be customized in many ways, both
by modifying Tomcat code and by implementing your own
LifecycleListeners which are then registered in the server.xml
configuration file.
</p>

</div></div>

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